XZ Andromedae
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Right ascension01h 56m 51.52412s[2]
Declination+42° 06′ 02.1814″[2]
Apparentmagnitude(V)9.91 – 12.45 variable[3]
 The visual band light curve of XZ Andromedae is shown. The main plot shows the light curve over a full cycle, and the inset plot shows the primary minimum on an expanded scale. Adapted from Yang (2013)[1] | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 01h 56m 51.52412s[2] |
| Declination | +42° 06′ 02.1814″[2] |
| Apparent magnitude (V) | 9.91 – 12.45 variable[3] |
| Characteristics | |
| Evolutionary stage | main sequence + subgiant[4][5] |
| Spectral type | A4IV-V + G5IV[4] |
| Apparent magnitude (B) | 10.16[6] |
| Apparent magnitude (V) | 9.93[6] |
| Apparent magnitude (G) | 9.955[2] |
| Apparent magnitude (J) | 9.373[7] |
| Apparent magnitude (H) | 9.210[7] |
| Apparent magnitude (K) | 9.188[7] |
| B−V color index | 0.2125[6] |
| Variable type | EA[3] |
| Astrometry | |
| Proper motion (μ) | RA: 4.445±0.033 [2] mas/yr Dec.: −11.827±0.053[2] mas/yr |
| Parallax (π) | 1.9328±0.0590 mas[2] |
| Distance | 1,690 ± 50 ly (520 ± 20 pc) |
| Orbit[4] | |
| Period (P) | 1.357 days |
| Eccentricity (e) | 0 |
| Inclination (i) | 89° |
| Periastron epoch (T) | HJD 2449313.53084±0.00081 |
| Details[4] | |
| Primary | |
| Mass | 3.2 M☉ |
| Radius | 2.4 R☉ |
| Temperature | 9,500 K |
| Secondary | |
| Mass | 1.3 M☉ |
| Radius | 2.6 R☉ |
| Temperature | 5,500 K |
| Other designations | |
| 2MASS J01565151+4206021, BD+41 376, TYC 2824-1360-1 | |
| Database references | |
| SIMBAD | data |
XZ Andromedae (also known as XZ And) is a binary star in the constellation Andromeda. Its maximum apparent visual magnitude is 9.91, but drops down to 12.45 every 1.357 days. Its variability matches the behaviour of Algol variable stars.[3]
